MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 451. |
Who among the following scientists is known for devising four criteria designed to establisha causal relationship between a causative microbe and a disease? |
| A. | Louis Pasteur |
| B. | Emil Behring |
| C. | Ivan Pavlov |
| D. | Robet Koch |
| Answer» E. | |
| 452. |
Genetic Modification (GM) technique RIDL was in news. RIDL is being developed forcombating which of the following disease? |
| A. | Swine Flu |
| B. | Malaria |
| C. | Cancer |
| D. | AIDS |
| Answer» C. Cancer | |
| 453. |
Which among the following is essential gene material ? |
| A. | Protein |
| B. | Fat |
| C. | DNA |
| D. | RNA |
| Answer» D. RNA | |
| 454. |
A treatment with which among the following plant hormones would prevent water loss from the plant leaves, by reducing transpiration, in times of low water availability? |
| A. | Ethylene |
| B. | Abscisic Acid |
| C. | Gibberelic Acid |
| D. | Auxin |
| Answer» C. Gibberelic Acid | |
| 455. |
Consider the following particles in relation to the matter:π-Meson (Pi-meson)PhotonWhich among the above are considered to be mass less and charge less? |
| A. | Only 1 |
| B. | Only 2 |
| C. | Both 1 & 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Both 1 & 2 | |
| 456. |
Which among the following chemicals is used in Photography? |
| A. | Silver Bromide |
| B. | Potassium Chloride |
| C. | Sodium Bromide |
| D. | Magnesium Chloride |
| Answer» B. Potassium Chloride | |
| 457. |
The noble gases are a group of chemical elements with very similar properties: under standard conditions, they are all odorless, colorless, monatomic gases, with a very low chemical reactivity. How many Noble gases occur naturally? |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» C. 7 | |
| 458. |
L.P.G. is a hydrocarbon consisting of a mixture of: |
| A. | Methane and Butane |
| B. | Propane and Butane |
| C. | Ethane and Propane |
| D. | Ethane and Butane |
| Answer» C. Ethane and Propane | |
| 459. |
Which among the following acid is used to ascertain, whether pure Ghee has beenadulterated with Vanaspati or Margarine? |
| A. | Sulphuric Acid |
| B. | Nitric Acid |
| C. | Hydrochloric Acid |
| D. | Boric Acid |
| Answer» D. Boric Acid | |
| 460. |
Which among the following is true attribute to Polar bear? |
| A. | Herbivore |
| B. | Omnivore |
| C. | Carnivore |
| D. | Marsupial |
| Answer» D. Marsupial | |
| 461. |
Which among the following kinds of Chemical reactions cause the rocks turn red oryellowish? |
| A. | Hydration |
| B. | Oxidation |
| C. | Carbonation |
| D. | Exfoliation |
| Answer» C. Carbonation | |
| 462. |
Which among the following is correct about biocenosis? |
| A. | The study of energy transformations in the living systems |
| B. | Community of organisms occupying an area |
| C. | Study of the parts of an ecosystem with specific species |
| D. | A kind of abnormality related to organism living in a particular habitat |
| Answer» C. Study of the parts of an ecosystem with specific species | |
| 463. |
The ―Amos‖ series of satellites belongs to which among the following countries? |
| A. | India |
| B. | USA |
| C. | Israel |
| D. | China |
| Answer» D. China | |
| 464. |
What happens to the weight of Iron, when it rusts? |
| A. | Increases for long time |
| B. | Decreases then increases |
| C. | Increases then decreases |
| D. | Remains the same |
| Answer» D. Remains the same | |
| 465. |
By which of the following process some stars which are of the size of Sun or smaller convert hydrogen to helium? |
| A. | Triple-alpha process |
| B. | Proton Proton Chain Reaction |
| C. | CNO Cycle |
| D. | R process |
| Answer» C. CNO Cycle | |
| 466. |
Cobalt oxide is used to impart which color to glass? |
| A. | Brown |
| B. | Blue |
| C. | Red |
| D. | Yellow |
| Answer» C. Red | |
| 467. |
The Bovine spongiform encephalopathy (BSE) is commonly known as _______? |
| A. | Foot & Mouth Disease |
| B. | Mad Cow Disease |
| C. | Fog fever |
| D. | Creutzfeldt-Jakob disease |
| Answer» C. Fog fever | |
| 468. |
The free electrons are in the __________? |
| A. | Outermost orbit of the metals |
| B. | Innermost orbit of the metals |
| C. | Middle orbits of the metals |
| D. | Any orbit of the metals |
| Answer» B. Innermost orbit of the metals | |
| 469. |
From the point of view of evolution of living organisms, which of the following set of animalsis a correct sequence of evolution? |
| A. | Whale, Kangaroo, Echidna |
| B. | Echidna, Whale, Kangaroo |
| C. | Kangaroo, Whale, Echidna |
| D. | Echidna, Kangaroo, Whale |
| Answer» E. | |
| 470. |
Consider the following statements regarding Black Holes:1. A black hole is a supergiant star that has collapsed into itself2. The Black-hole singularity has zero radiusWhich of the above is / are correct statements? |
| A. | Only 1 |
| B. | Only 2 |
| C. | Both 1 & 2 |
| D. | Neither 1 nor 2 |
| Answer» D. Neither 1 nor 2 | |
| 471. |
Which among the following waves are used in the gemstone industry to change white topazinto blue topaz? |
| A. | X-Rays |
| B. | Gamma Rays |
| C. | Alpha Radiation |
| D. | Beta Radiation |
| Answer» C. Alpha Radiation | |
| 472. |
Graphite, Carbon and Diamonds are _________? |
| A. | Isotopes |
| B. | Isomers |
| C. | Isotones |
| D. | Allotropes |
| Answer» E. | |
| 473. |
A particular cell organelle is sometimes referred certain enzymes that can break down the cell components or even the whole cell. which one of the following is such an organelle ? |
| A. | Lysosome |
| B. | Mesosome |
| C. | Phagosome |
| D. | Ribosome |
| Answer» B. Mesosome | |
| 474. |
On which of the following Inertia of an object depends ? |
| A. | Bulk |
| B. | Size |
| C. | Shape |
| D. | Mass |
| Answer» E. | |
| 475. |
Which among the following would be most commonly affected, if the filament of a electric Bulb is not uniform? |
| A. | Light |
| B. | Life |
| C. | Resistance |
| D. | None of the above |
| Answer» C. Resistance | |
| 476. |
Which among the following is correct full form of DDT? |
| A. | Dichloro-diethyl-trifluoromethane |
| B. | Dichloro-diphenyl-trichloroethane |
| C. | Dichloro-diphenyl-trichloromethane |
| D. | Dipheneyl-dichloro-trichloromethane |
| Answer» C. Dichloro-diphenyl-trichloromethane | |
| 477. |
Which among the following would cause the bright red colur due to bursting of crackers? |
| A. | Strontium |
| B. | Sodium |
| C. | Suphur |
| D. | Magnesium |
| Answer» B. Sodium | |
| 478. |
Who among the following worked on Tuberculosis? |
| A. | Robert Koch |
| B. | Karl Ernst von Baer |
| C. | Erwin Neher |
| D. | Richard Goldschmidt |
| Answer» B. Karl Ernst von Baer | |
| 479. |
Which among the following conditions will give birth to Fraternal Twins? |
| A. | a single egg is fertilized to form one zygote which then divides into two separate embryos |
| B. | sperm cells fertilize both the ovum and the second polar body |
| C. | two eggs are independently fertilized by two different sperm cells |
| D. | none of the above |
| Answer» D. none of the above | |
| 480. |
The atomic weight of Chlorine is 35. It consists of _______? |
| A. | 17 Protons + 18 Neutrons |
| B. | 17 Neutrons + 18 protons |
| C. | 17 Neutrons + 17 Protons + 1 electron |
| D. | None of the above |
| Answer» B. 17 Neutrons + 18 protons | |
| 481. |
Which among the followingis/are correctly paired:1.Ginger:Tuber2.Potato:Rhizome3.Onion:Bulb |
| A. | Only 2 |
| B. | Only 3 |
| C. | Only 1 |
| D. | 1, 2 and 3 |
| Answer» C. Only 1 | |
| 482. |
Which of the following plants have respiratory roots? |
| A. | Marshy Plants |
| B. | Mangroves |
| C. | Epiphytes |
| D. | Submerged Hydrophytes |
| Answer» C. Epiphytes | |
| 483. |
Consider the following advantages of the Optic Fibers and the Copper wires:Optic Fibers are NOT susceptible to the electrical interferenceOptic Fibers can be used to transmit more signals that Copper WiresOptic Fibers can carry a signal over a single fiber, unlike the electricity which requires a pair of Copper wires.Which among the above stand correct ? |
| A. | Only 1 is correct |
| B. | Only 1 & 2 are correct |
| C. | All 1, 2 & 3 are correct |
| D. | Only 3 is correct |
| Answer» D. Only 3 is correct | |
| 484. |
Which among the following is the most common cause of Sunburn? |
| A. | Ultraviolet Radiation |
| B. | Visible Radiation |
| C. | Infrared Radiation |
| D. | Microwave Radiation |
| Answer» B. Visible Radiation | |
| 485. |
Consider the following statements:1. All kinds of Color Blindness are result of Genetic disorders2. All kinds of Night Blindness are result of malnutritionWhich among the above statements is / are correct? |
| A. | Only 1 is correct |
| B. | Only 2 is correct |
| C. | Both 1 & 2 are correct |
| D. | Neither 1 nor 2 are correct |
| Answer» E. | |
| 486. |
Galvanizing is a metallurgical process that is used to coat steel or iron with which of thefollowing? |
| A. | Zinc |
| B. | Lead |
| C. | Chromium |
| D. | Copper |
| Answer» B. Lead | |
| 487. |
Which among the following is true regarding Sound Waves? |
| A. | They are longitudinal waves and material medium is not required for their propagation |
| B. | They are transverse waves and material medium is required for their propagation |
| C. | They are longitudinal waves and material medium is required for their propagation |
| D. | They are transverse waves and material medium is not required for their propagation |
| Answer» D. They are transverse waves and material medium is not required for their propagation | |
| 488. |
Which among the following are used as components to produce Nitrolim, a widely usedfertilizer in past? |
| A. | Nitrogen & Limestone |
| B. | Calcium Carbide and Nitrogen |
| C. | Calcium Carbide & Carbon |
| D. | Calcium Carbide and Limestone |
| Answer» C. Calcium Carbide & Carbon | |
| 489. |
Which among the following is a common salt in Detergents? |
| A. | Sulphate |
| B. | Nitrate |
| C. | Sulphonate |
| D. | Carbonate |
| Answer» B. Nitrate | |
| 490. |
Brachytherapy is commonly used as an effective treatment for cervical, prostate, breast, and skin cancer in many parts of the world. Why Brachytherapy is an offshoot of which among the following forms of Cancer Treatment? |
| A. | Radiotherapy |
| B. | Chemotherapy |
| C. | Surgery |
| D. | None of them, |
| Answer» B. Chemotherapy | |
| 491. |
Hydraulic Brakes work on which principal? |
| A. | Pascal‘s Principle |
| B. | Archimedes Principle |
| C. | Newton‘s Laws |
| D. | Casini‘s Laws |
| Answer» B. Archimedes Principle | |
| 492. |
Albert Einstein was awarded Nobel Prize for his path-breaking research and formulation of the: |
| A. | Theory of Relavitity |
| B. | Laws of Photo-Electric Effect |
| C. | Principle of Wave-Particle Duality |
| D. | Theory of Critical Opalescence |
| Answer» C. Principle of Wave-Particle Duality | |
| 493. |
A combination of several medicines called SHREZ is used in the treatment of which amongthe following diseases? |
| A. | HIV/ AIDS |
| B. | Diphtheria |
| C. | Tuberculosis |
| D. | Malaria |
| Answer» D. Malaria | |
| 494. |
A person who is pulling a bucket filled with water falls behind with the sudden break of the rope. Which of the following laws of Newton comes into action? |
| A. | First Law |
| B. | Second law |
| C. | Third law |
| D. | First and third law |
| Answer» D. First and third law | |
| 495. |
What is Kerogen oil? |
| A. | Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of Oil Shales |
| B. | Its a light crude oil contained in petroleum-bearing formations of shales |
| C. | Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of environmental wastes |
| D. | It‘s a new form of vegetable oil prepared artificially in laboratory |
| Answer» B. Its a light crude oil contained in petroleum-bearing formations of shales | |
| 496. |
Which among the following is correct about Saliva of a Healthy Human? |
| A. | It is slightly acidic |
| B. | It is slightly saline |
| C. | It is slightly alkaline |
| D. | It is neutral |
| Answer» D. It is neutral | |
| 497. |
What is the number of the Chromosomes affected by Turner syndrome? |
| A. | 44 |
| B. | 45 |
| C. | 46 |
| D. | 47 |
| Answer» C. 46 | |
| 498. |
What is the approximate height of a Geostationary satellite ? |
| A. | 981 km |
| B. | 15000 kms |
| C. | 35000 kms |
| D. | 5000 kms |
| Answer» D. 5000 kms | |
| 499. |
Consider the following:CopperZincTinGun Metal is the alloy of which among the above? |
| A. | 1 & 2 |
| B. | 1 & 3 |
| C. | 2 & 3 |
| D. | 1, 2 & 3 |
| Answer» E. | |
| 500. |
Consider the following statements about Archaeopteryx:1. Archaeopteryx was the earliest and most primitive bird known, when it was found in Germany in late 19th century2. The discovery of Archaeopteryx put an end to the debate that Birds originated from Dinosaurs or the archosaurian reptiles. Which among the above statements is / are correct? |
| A. | Only 1 is correct |
| B. | Only 2 is correct |
| C. | Both 1 & 2 are correct |
| D. | Neither 1 nor 2 are correct |
| Answer» B. Only 2 is correct | |